package cn.snailteam.recruitment.dao.impl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.snailteam.recruitment.dao.IHrNewsDAO;
import cn.snailteam.recruitment.entity.HrNews;

/**
 * A data access object (DAO) providing persistence and search support for
 * HrNews entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see cn.snailteam.recruitment.dao.impl.HrNews
 * @author MyEclipse Persistence Tools
 */

public class HrNewsDAOImpl 
	extends HibernateDaoSupport implements IHrNewsDAO{
	
	private static final Log log = LogFactory.getLog(HrNewsDAOImpl.class);
	// property constants
	public static final String AUTHOR = "author";
	public static final String CAPTION = "caption";
	public static final String SUB_CAPTION = "subCaption";
	public static final String CONTENT = "content";
	public static final String PUBLIS_TIME = "publisTime";

	protected void initDao() {
		// do nothing
	}

	public void save(HrNews transientInstance) {
		log.debug("saving HrNews instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(HrNews persistentInstance) {
		log.debug("deleting HrNews instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public HrNews findById(java.lang.Integer id) {
		log.debug("getting HrNews instance with id: " + id);
		try {
			HrNews instance = (HrNews) getHibernateTemplate().get(
					"cn.snailteam.recruitment.dao.impl.HrNews", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(HrNews instance) {
		log.debug("finding HrNews instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding HrNews instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from HrNews as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByAuthor(Object author) {
		return findByProperty(AUTHOR, author);
	}

	public List findByCaption(Object caption) {
		return findByProperty(CAPTION, caption);
	}

	public List findBySubCaption(Object subCaption) {
		return findByProperty(SUB_CAPTION, subCaption);
	}

	public List findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}

	public List findByPublisTime(Object publisTime) {
		return findByProperty(PUBLIS_TIME, publisTime);
	}

	public List findAll() {
		log.debug("finding all HrNews instances");
		try {
			String queryString = "from HrNews";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public HrNews merge(HrNews detachedInstance) {
		log.debug("merging HrNews instance");
		try {
			HrNews result = (HrNews) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(HrNews instance) {
		log.debug("attaching dirty HrNews instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(HrNews instance) {
		log.debug("attaching clean HrNews instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static HrNewsDAOImpl getFromApplicationContext(ApplicationContext ctx) {
		return (HrNewsDAOImpl) ctx.getBean("HrNewsDAO");
	}
}